1.Wheel diameter: 25,32,50mm 2.Tread Width:12,14,20mm 3.Capacity each:10,20,38KG 4.Wheel description:PP,hard rubber 16 Series Furniture Caster 1.Ideal for moving anything in the home or office.2.Use on entertainment centers, safes, desks, bookcases, and more.3.Slides on carpeting, wood floors, ceramic tiles, linoleum.4.Will not scratch, mar, or damage floors or carpets.Wheel Selection PP(Black) ...